Power - Triode vacuum tubes

Triode-Triode

Dual low-mu power triode designed for audio output, with its sections usable in push-pull or parallel Class A service. Published operation at 250 V gives about 1.6 W output with both sections.

Base

7B

Socket

MEDIUM7

Heater

6.3 V

Sections

2

Triode

6GA4 power - triode electronic tube specifications and datasheets.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1

Triode

Duodecar pulse-regulator triode for the high-voltage power supply of color television receivers.

Base

12GY

Socket

B12C

Heater

6.3 V

Sections

1

Triode

Duodecar pulse-regulator triode for high-voltage color-television power supplies.

Base

12GY

Socket

B12C

Heater

6.3 V

Sections

1

Triode

High-current Duodecar pulse-regulator triode for high-voltage color-television power supplies.

Base

12JE

Socket

B12C

Heater

6.3 V

Sections

1

Triode

Duodecar pulse-regulator triode for the high-voltage power supply of color television receivers.

Base

12JE

Socket

B12C

Heater

6.3 V

Sections

1

Triode

Duodecar pulse-regulator triode for the high-voltage power supply of color television receivers.

Base

E12-74

Socket

B12C

Heater

6.3 V

Sections

1

Triode

Compactron beam triode for pulse-type high-voltage regulation in color-television power supplies.

Base

E12-74

Socket

B12C

Heater

6.3 V

Sections

1

Triode

Beam triode used for shunt regulation of high-voltage, low-current television power supplies, with explicit X-radiation safety limits.

Base

8MQ

Socket

IO

Heater

6.3 V

Sections

1

Triode-Triode

Russian high-current, very low-mu dual power triode intended for series-pass voltage regulation and other high-current control applications.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

2

Triode-Triode

Low-mu high-current power triode intended for electronic voltage-regulator series-pass service. Its low plate resistance and substantial cathode-current capability make it suited to controlling regulated DC supplies rather than conventional voltage amplification.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Direct-coupled dual-triode power-output tube whose internally connected sections form a Class-A amplifier, designed to provide efficient audio power with conventional external circuitry.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Direct-coupled dual-triode power amplifier for Class-A and push-pull output service; structurally a dual triode rather than a triode-pentode.

Base

8

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Russian low-mu, high-transconductance double triode designed for low-frequency power amplification, offering relatively high current capability and substantial plate dissipation per section.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Triode-Triode

Pulse version of the Russian 6N6P double triode, designed for low-frequency power amplification under pulsed operating conditions.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

2

Triode-Triode

Dual power triode intended primarily for Class B audio power-amplifier service. Published push-pull operation produces about 10 W, while the sections may also be paralleled for lower-power Class A use.

Base

RMA 8B

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Dual power triode intended primarily for Class B audio power-amplifier service. Published push-pull operation produces about 10 W, while the sections may also be paralleled for lower-power Class A use.

Base

8B

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

GT-envelope dual triode designed for Class A or Class B amplifier service. Its identical sections can operate together in push-pull audio output, with published Class B conditions providing approximately 10 W.

Base

8B

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Dual power triode designed for push-pull Class B audio service. Two matched sections share one envelope and provide moderate transconductance and plate dissipation, with published operating data showing roughly 10 W output.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Indirectly heated oxide-cathode dual power triode designed for Class-B power amplification, intended to operate its two triode sections as an audio power-output device.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Soviet dual power triode designed for low-frequency power amplification. Its identical sections provide moderate gain and plate resistance with several watts of dissipation each, making it suitable for push-pull audio output and related amplifier service.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

2

Triode

Russian low-resistance high-current triode with approximately 11-watt plate dissipation for electronic control and power-amplification service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Triode

Russian high-current low-resistance triode variant for electronic control and power-amplification service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Triode

Rugged Russian high-current low-resistance triode variant for electronic control and power-amplification service.

Base

Not recorded

Socket

B9A

Heater

6.3 V

Sections

1

Triode

High-current Russian triode designed specifically as a series-pass tube in electronic voltage stabilizers for stationary and mobile equipment.

Base

Not recorded

Socket

B7A

Heater

12.6 V

Sections

1

Triode

Russian 6S33S-family power triode variant intended for high-current voltage-stabilizer and series-pass service.

Base

Not recorded

Socket

B7A

Heater

6.3 V

Sections

1

Triode

Russian 6S33S-family power triode variant intended for high-current voltage-stabilizer and series-pass service.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Triode

Russian high-frequency triode documented for high-frequency electronic service; available source evidence does not support a narrower functional assignment.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Triode

Soviet directly heated low-frequency output triode for audio power amplification. Low amplification factor, useful transconductance, approximately 15 W plate dissipation, and 400 V plate capability suit high-current audio output stages.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Triode

Soviet high-frequency power triode intended for specialized RF amplification or generation. Its manufacturer data emphasize kilovolt-class plate capability and high-frequency operation rather than conventional low-frequency output service.

Base

Not recorded

Socket

Not recorded

Heater

5.7 V

Sections

1

Triode

Variant of the Soviet 6S51N high-frequency power triode for specialized RF service. Available documentation supports the same high-frequency power role and kilovolt-class plate capability while distinguishing this production variant.

Base

Not recorded

Socket

Not recorded

Heater

5.7 V

Sections

1

Triode

Soviet pulse triode designed to generate super-high-frequency oscillations under pulsed conditions at wavelengths around 35–40 cm. Its ratings and construction target specialized pulsed UHF oscillator service rather than general power amplification.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

1

Triode

Russian power triode for output stages and stabilization circuits operating to approximately 20 MHz.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Triode-Triode

Twin power triode designed primarily for Class B push-pull audio amplification. Both sections operate together as an output stage, with published conditions providing roughly 8 W from a 250 V supply.

Base

8B

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Dual power triode developed for Class B push-pull audio amplification at relatively low supply voltage. Its two sections operate together at zero grid bias to provide economical receiver and small-amplifier output power.

Base

8B

Socket

IO

Heater

6.3 V

Sections

2

Triode-Triode

Ruggedized 12.6 V-heater member of the 6AS7-type high-current regulator family. Twin low-mu sections provide long-life series-pass and demanding power-control service with low plate resistance and substantial current capability.

Base

8BD

Socket

IO

Heater

12.6 V

Sections

2

Triode-Triode

High-current industrial twin triode with series/parallel heater connection, designed for applications requiring substantial cathode-current capability and moderate amplification.

Base

Not recorded

Socket

B9A

Heater

12.6 V

Sections

2

Triode

Quick-heating planar transmitting triode for RF service to approximately 3 GHz.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Triode-Triode

Long-life low-mu double triode designed particularly as a computer power amplifier. Each section combines high transconductance, substantial current capability, and moderate plate dissipation for dependable continuous operation in computer and control equipment.

Base

Not recorded

Socket

IO

Heater

6.3 V

Sections

2

Triode

Long-life high-power triode with three grid-cathode structures specifically designed as a series-regulator/pass tube in regulated power supplies.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

1

Triode

High-current triode for power electronic service. Available source material does not establish a narrower application confidently.

Base

A7-17

Socket

B7G

Heater

6.3 V

Sections

1

Triode

Reliable high-temperature low-mu triode designed for voltage-regulator and series-pass circuits.

Base

Not recorded

Socket

B7G

Heater

Not recorded

Sections

1

Triode

Low-mu directly heated power triode for Class-AB audio-frequency amplifier and modulator service, with a 20-kW plate-dissipation rating.

Base

Not recorded

Socket

Not recorded

Heater

7 V

Sections

1

Triode

Very-high-power directly heated triode with an exceptionally heavy filament; available source material does not establish a narrower application confidently.

Base

Not recorded

Socket

Not recorded

Heater

12 V

Sections

1

Triode

Integral-cavity triode oscillator for transmitting and signal-generation service.

Base

Not recorded

Socket

B9A

Heater

6 V

Sections

1

Triode-Triode

High-current twin triode intended for demanding amplifier and control service, combining relatively low plate resistance with substantial current and dissipation capability.

Base

Not recorded

Socket

Not recorded

Heater

6.3 V

Sections

2

Triode

Taylor directly heated carbon-anode transmitting triode for RF oscillator and power-amplifier service. Its early high-vacuum construction, kilovolt plate operation, and moderate plate dissipation provide useful transmitting power.

Base

Not recorded

Socket

UX4

Heater

7.5 V

Sections

1

Triode

Forced-air-cooled power-amplifier triode designed for audio-frequency Class-A amplifier and modulator service, with 4-kW plate dissipation.

Base

Not recorded

Socket

Not recorded

Heater

Not recorded

Sections

1